KR930008102A

KR930008102A - Heat transfer medium composition

Info

Publication number: KR930008102A
Application number: KR1019910019043A
Authority: KR
Inventors: 한순종; 조창묵; 신정주
Original assignee: 이승동; 주식회사 선경인더스트리
Priority date: 1991-10-29
Filing date: 1991-10-29
Publication date: 1993-05-21

Abstract

본발명은 글리콜을 주성분으로 하고 유기화합물과 무기화합물 첨가제가 함유되어있는 수용액상태의 열전달매체 조성물에 있어서, 프로필렌글리콜을 주성분으로 하고, 유기화합물 및 무기화합물 첨가제로서 0.01∼2.5중량%의 인산염, 0.05∼0.9중량%의 몰리브데이트염, 0.05∼0.9중량%의 질산염, 0.1∼2.0중량%의 벤조산염, 0.01∼0.9중량%의 아조계화합물이 함유되어 있고, 스케일 저해제로서 다음구조식(Ⅰ)의 화합물이 0.01∼0.9중량% 함유되어 있고 그 pH가 7.0∼9.5인 것을 특징으로 하는, 금속에 대한 방식효과와 경수에 대한 스케일저해성 및 인체흡입안정성을 가져서 열교환기 및 그 배관의 성능과 작업환경을 현저하게 향상시킬 수 있는 열전달 매체 조성물에 관한 것이다.The present invention is a heat transfer medium composition in the form of an aqueous solution containing glycol as a main component and an organic compound and an inorganic compound additive, the propylene glycol as a main component, 0.01 to 2.5% by weight of phosphate, 0.05 -0.9 wt% molybdate salt, 0.05-0.9 wt% nitrate, 0.1-2.0 wt% benzoate, 0.01-0.9 wt% azo compound, and as a scale inhibitor of the following structural formula (I) It contains 0.01 to 0.9% by weight of the compound and its pH is 7.0 to 9.5, and has anticorrosive effect on metal, scale inhibition on hard water and stability of human suction, and thus performance and working environment of heat exchanger and its pipe. The present invention relates to a heat transfer medium composition capable of significantly improving the temperature.

상기식에서, R₁, R₂및 R₃는 서로 같거나 다른 것으로서 각각 수소원자, 수산기, 탄소수 1∼3의 카르복실산기, 또는 탄소수 1∼3의 알킬기이고, X와 Y는 서로 같거나 다른 것으로서, 각각 수소원자 또는 알칼리 금속 양이온이다.Wherein R ₁ , R ₂ and R ₃ are the same as or different from each other, and are each a hydrogen atom, a hydroxyl group, a carboxylic acid group having 1 to 3 carbon atoms, or an alkyl group having 1 to 3 carbon atoms, and X and Y are the same as or different from each other; Each is a hydrogen atom or an alkali metal cation.

Description

Heat transfer medium composition

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims

In an aqueous heat transfer medium composition containing glycol as a main component and an organic compound and an inorganic compound additive, 0.01 to 2.5% by weight of phosphate, 0.05 to 0.9 weight, as propylene glycol as a main component and an organic compound and an inorganic compound additive % Molybdate salt, 0.05-0.9% by weight nitrate, 0.1-2.0% by weight banjoate, 0.01-0.9% by weight azo compound, and the compound of the following structure (I) A heat transfer medium composition containing 0.01 to 0.9% by weight and having a pH of 7.0 to 9.5.

Wherein R ₁ , R ₂ and R ₃ are the same as or different from each other, and are each a hydrogen atom, a hydroxyl group, a carboxylic acid group having 1 to 3 carbon atoms, or an alkyl group having 1 to 3 carbon atoms, and X and Y are the same as or different from each other; Each is a hydrogen atom or an alkali metal cation.

The heat transfer medium composition according to claim 1, wherein the composition contains 0.05 to 0.9% by weight of hydroxide or phosphoric acid as an additive for pH composition if necessary.

※ Note: The disclosure is based on the initial application.